HFDP in Smalltalk

I found a Korean page studying HFDP(Head First Design Pattern) in Smalltalk.
It would be interesting for you all, too.
Look at it.

HFDP in Smalltalk - Chap 1. Duck and Subclasses
HFDP in Smalltalk - Chap 1. Classes implement Flybehavior Protocol
HFDP in Smalltalk - Chap 1. Classes implement Quakbehavior Protocol
HFDP in Smalltalk - Chap 1. Test codes and Duck caller
HFDP in Smalltalk - Chap 2. WeatherData Class (Direct implementation of Observer)
HFDP in Smalltalk - Chap 2. DisplayElement Class (Direct implementation of Observer)
HFDP in Smalltalk - Chap 2. Subclasses of DisplayElement
HFDP in Smalltalk - Chap 2. WeatherStation Class
HFDP in Smalltalk - Chap 2. WeatherData Class (using dependency)
HFDP in Smalltalk - Chap 2. DisplayElement Class (using dependency)
HFDP in Smalltalk - Chap 2. WeatherData (using event)
HFDP in Smalltalk - Chap 2. DisplayElement and subclasses (using event)
HFDP in Smalltalk - Chap 2. Graphics example in Smalltalk
HFDP in Smalltalk - Chap 3. Beverage and subclasses (without condiment)
HFDP in Smalltalk - Chap 3. CondimentDecorator and subclasses
HFDP in Smalltalk - Chap 3. Test code (starbuzz coffee)
HFDP in Smalltalk - Chap 3. Refactoring Condiment class

Have fun! (Study Korean, too ^^)